Title: Kusaribe
Composer: Michiru Oshima
Instruments: Orchestra

Anime:
Blast of Tempest
Zetsuen no Tempest
絶園のテンペスト

Blast of Tempest Classical Collection:    • Blast of Tempest Classical Collection  

Music: vgmdb.net/album/38643
Illustration: wallpapercave.com/blast-of-tempest-wallpapers